B, immense pressure causes the core to be very compacted and solid.
Answer:
According to the pyramid of energy, the energy content is maximum in autotrophs or producers. Autotrophs are the plants which prepare their food by photosynthesis. They are the primary producers and primary source of food energy. The flow of energy is unidirectional from producer to consumer level.
Explanation:
Answer:
may be they are history and geography
I would say its A because it is doing something harmful
We record it with a seismograph.